Operating System (OS)
Addressing structure

are variations in the use of fundamental addressing structures, or some associated actions which are related to addressing.
defines the fundamental method of determining effective operand addresses
All of these
performs indicated operations on two fast registers of the machine and leave the result in one of the registers.
None of these

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Operating System (OS)
Multiprogramming systems:

are used only on large mainframe computers
execute each job faster
None of these
execute more jobs in the same time period
are easier to develop than single programming system

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Operating System (OS)
Seeks analysis

is used for analyzing device busy problems
is only shown on real-time displays
None of these
is used for analyzing control-unit busy problems
is used for analyzing paging problems

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